Ethyl Alcohol Biomarker
14 days
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
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Alcohol biomarker in blood. Indicates chronic alcohol consumption over prior weeks.
Whole Blood
1 mL
Lavender-top (EDTA) tube or gray-top (sodium fluoride) tube
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
This test does not require any special collection or pre-analytical handling. Follow routine specimen collection protocols.
| Temperature | Period |
|---|---|
| Room temperature | 3 days |
| Refrigerated | 14 days |
| Frozen | 180 days |